concealed

(verb) prevent from being seen or discovered. Synonyms: hide, conceal. Examples: "Muslim women hide their faces." "Hide the money."

(verb) hold back; keep from being perceived by others. Synonyms: conceal, hold back, hold in. Example: "She conceals her anger well."

(adj) not accessible to view. Synonyms: hidden, out of sight. Examples: "Concealed (or hidden) damage." "In stormy weather the stars are out of sight."

(adj) hidden on any grounds for any motive. Synonyms: concealed (vs. unconcealed). Examples: "A concealed weapon." "A concealed compartment in his briefcase."